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2001 Chevy Lumina check engine light

Tiny
DVA713
  • MEMBER
  • 2001 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 123,000 MILES
I have a check enging light on now first it was code p0303 then a while later it was codes p03003 / p03006 so when I changed the plugs and the wires
i found that number 6 plug was shot so after I changed them out the car ran much better but still a little hesatant but the code p03003 still comes on then I changed the coil pack and that did not help any help would be great to fix this
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Monday, April 28th, 2008 AT 2:39 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
P03003 is not a good code. First thing you need to do is have the codes read, Autozone does it free, Post the results with the code number(s). Even if the service engine light is not on, there should be freeze frame data stored.
If it won't make it to Autozone, buy a cheap scanner, they can be had for 30-40 dollars, a good investment, since they cover all cars sold in the USA from 96 on. Your PCM keeps givving a code like this, I would have it checked!
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Monday, April 28th, 2008 AT 2:44 PM

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